就是说,人类这个物种只能靠自相残杀和自己物种或交叉物种的传染病来调节种群密度。以此来保证人类不至于把其他对自己无用的物种都灭了。
就是说,人类这个物种只能靠自相残杀和自己物种或交叉物种的传染病来调节种群密度。以此来保证人类不至于把其他对自己无用的物种都灭了。
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